54723749 has 2 divisors, whose sum is σ = 54723750. Its totient is φ = 54723748.

The previous prime is 54723733. The next prime is 54723751. The reversal of 54723749 is 94732745.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49350625 + 5373124 = 7025^2 + 2318^2 .

It is a cyclic number.

It is not a de Polignac number, because 54723749 - 2⁴ = 54723733 is a prime.

Together with 54723751, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54723709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27361874 + 27361875.

It is an arithmetic number, because the mean of its divisors is an integer number (27361875).

Almost surely, 2^54723749 is an apocalyptic number.

It is an amenable number.

54723749 is a deficient number, since it is larger than the sum of its proper divisors (1).

54723749 is an equidigital number, since it uses as much as digits as its factorization.

54723749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 211680, while the sum is 41.

The square root of 54723749 is about 7397.5502026009. The cubic root of 54723749 is about 379.6574683434.

The spelling of 54723749 in words is "fifty-four million, seven hundred twenty-three thousand, seven hundred forty-nine".